#define _CRT_SECURE_NO_WARNINGS 1

#define PI 3.14159
#include<stdio.h>

//int main()
//{
//	double a = 2.0;
//	double b = 7.9;
//	double V1 = 2 * a * b;
//	double V2 = a / 2.0;
//	printf("%lf %lf %lf %lf", a, b, V1,V2);
//}

int main()
{
	double r,s,v;
	scanf("%d", &r);
	s = 4 * PI * r * r;
	v = (4 * 1.0 / 3) * PI * r * r * r;
	printf("%lf %lf %lf", r, s, v);
	return 0;
}